diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 82eb85d..75c40cf 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v6
 
     - name: Setup Ruby ${{ matrix.ruby }}
       uses: ruby/setup-ruby@v1